SK Hynix Earnings Could Test AI Memory Selloff Thesis - Micron Technology (NASDAQ:MU), Western Digital (N

Global Market: Samsung, SK Hynix plunge up to 11% as investors reassess AI chip boom

Samsung and SK Hynix crashed 9.5% and 10.9% as investors scale back AI bets over capex sustainability concerns and China's chip advancement. The selloff signals a reset in AI infrastructure valuations; cost-effective Chinese models and emerging domestic lithography technology could compress HBM chip premiums and near-term capex forecasts.